//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license.
//
// Microsoft Bot Framework: http://botframework.com
//
// Bot Framework Emulator Github:
// https://github.com/Microsoft/BotFramwork-Emulator
//
// Copyright (c) Microsoft Corporation
// All rights reserved.
//
// MIT License:
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

import { APIException, ErrorCodes, ErrorResponse } from '@bfemulator/sdk-shared';
import * as HttpStatus from 'http-status-codes';
import * as Restify from 'restify';

import { createErrorResponse } from './createResponse/createErrorResponse';

function exceptionToAPIException(exception: any): APIException {
  if (exception.error && exception.statusCode) {
    return exception;
  } else {
    return {
      error: createErrorResponse(ErrorCodes.ServiceError, exception.message),
      statusCode: HttpStatus.BAD_REQUEST,
    };
  }
}

export function sendErrorResponse(
  req: Restify.Request,
  res: Restify.Response,
  next: Restify.Next,
  exception: any
): ErrorResponse {
  const apiException = exceptionToAPIException(exception);

  res.send(apiException.statusCode, apiException.error);
  res.end();

  return apiException.error;
}
